UART with FIFO Buffer

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originally posted by rau@Oct 24 2005, 09:16 AM

need to use uart with fifo buffer in sopc builder nios ii system:

1> the uart rs232 available in sopc are without fifo is it possible to add fifo by modifying the same uart core

2> if not is there any other sopc ready uart_fifo core available as free ip

3> if not is it possible to get estimate of

- le utilization without modem control logic

- is it necessary to write device driver for the same

- apprx how much design time it will take to

design hdl uart, device driver for a single person?

please advice asap. running short of time.

thanks in advance

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Hi

i think in sopc builder when we instantiate uart

we get tab which asks for fifo size as it is in built.

but i don&#39;t understand why u need another fifo

for a uart.anyway i don&#39;t think it may be required.

prasad